For background on how the map was made (and its flaws), see the relevant blog entry.
|Broderick||numerous: all provinces, especially Munster. Ir. Ó Bruadair, from a Norse personal name. Broderick, an indigenous English name, has absorbed many who were previously anglicised Broder or Brouder. Native septs of Ó Bruadair existed in Cork and Galway.|